env vars for libgit2 stuff
document the env vars
binaries are in 'bin' not 'build', apparently
Partially implemented Repository.lookup_object (only supports Commit and Tree objects)
Merge pull request #4 from esc/build_like_pygit2

Build like pygit2
Use libgit2/build as suggested by libgit2 docs
Added LICENSE file and pypi classifiers
Merge pull request #5 from sjagoe/use-libgit-build-dir

Use libgit2/build as suggested by libgit2 docs
Moved Cython code to src/ directory to separate it from pure Python code.
Added (currently unusable) TestCommand to setup.py in preperation for merging pygit2's test suite
Added script to help identify the relevant tree ID from pygit2
Imported pygit2 test suite
Updated subtree merge script
Merged updates from pygit2 test suite
Added license terms for pygit2 tests
Starting to try to run pygit2 tests
Initial work on pygit2 compatibility
Implementing pygit2 Repository compatibility
Support raw bytestring hex OIDs
Merge branch 'move-cython-code-to-src'